Soil Science: Methods and ApplicationsLongman Scientific & Technical, 1994 - 350 pages Soil Science: Methods and Applications offers a practical introduction to the various basic methods of assessing the properties of soil. The author takes great care to explain each method in a concise and accessible manner, providing useful guidance on how each method might be used in a practical situation. |
Contents
1 The use of soil pits | 6 |
Mineral Particles the Soil | 17 |
1 The weathering of rocks | 23 |
Copyright | |
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acid adsorption air-dry soil aluminium ammonium amount applied arable atrazine available water capacity buffer capacity buffer solution bulk density Ca² Ca2+ CaCO3 calcium calculated cent charge chloride cm³ cmol contains crop depth determined Dissolve drainage dry matter effects evaporation example extract fertilizer field capacity flask gives H₂O ha¹ humus hydraulic conductivity increase inputs ions kaolinite kg¯¹ kg¹ layer leaching lime loam mass measured Mg2+ mineral-N mmol moist soil molar mass NaOH nitrate normally nutrients organic matter content oven-dry soil particles permanent wilting point pesticide phosphate pipette plant Plate plot pores porosity potassium Reagents respiration roots salinity sample sand saturation sesquioxides shown in Fig sieve smectite sodium soil pH soil solution soil surface soil water suction solution concentration sulphate Table texture tube uptake values volume water content water potential yield